JPS573739A - Bioactive glass and glass ceramic - Google Patents

Bioactive glass and glass ceramic

Info

Publication number
JPS573739A
JPS573739A JP7784180A JP7784180A JPS573739A JP S573739 A JPS573739 A JP S573739A JP 7784180 A JP7784180 A JP 7784180A JP 7784180 A JP7784180 A JP 7784180A JP S573739 A JPS573739 A JP S573739A
Authority
JP
Japan
Prior art keywords
glass
0w8mol
15mol
cao
tio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7784180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6146418B2 (enrdf_load_stackoverflow
Inventor
Hisamitsu Fujio
Makoto Ogino
Michiro Kariya
Takeo Ichimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
Nippon Kogaku KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP7784180A priority Critical patent/JPS573739A/ja
Priority to GB8117747A priority patent/GB2080281B/en
Priority to DE19813123220 priority patent/DE3123220A1/de
Publication of JPS573739A publication Critical patent/JPS573739A/ja
Priority to US06/476,041 priority patent/US4437192A/en
Publication of JPS6146418B2 publication Critical patent/JPS6146418B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/10—Ceramics or glasses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/12—Phosphorus-containing materials, e.g. apatite
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0054—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0007—Compositions for glass with special properties for biologically-compatible glass
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00179—Ceramics or ceramic-like structures
    • A61F2310/00293—Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dermatology (AREA)
  • Inorganic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Glass Compositions (AREA)
  • Materials For Medical Uses (AREA)
JP7784180A 1980-06-11 1980-06-11 Bioactive glass and glass ceramic Granted JPS573739A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7784180A JPS573739A (en) 1980-06-11 1980-06-11 Bioactive glass and glass ceramic
GB8117747A GB2080281B (en) 1980-06-11 1981-06-10 Biologically active glass
DE19813123220 DE3123220A1 (de) 1980-06-11 1981-06-11 Biologisch aktive glas- und glaskeramik-zusammensetzung sowie ein hiermit ueberzogenes implantat
US06/476,041 US4437192A (en) 1980-06-11 1983-03-16 Implants of biologically active glass or glass ceramic containing titania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7784180A JPS573739A (en) 1980-06-11 1980-06-11 Bioactive glass and glass ceramic

Publications (2)

Publication Number Publication Date
JPS573739A true JPS573739A (en) 1982-01-09
JPS6146418B2 JPS6146418B2 (enrdf_load_stackoverflow) 1986-10-14

Family

ID=13645268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7784180A Granted JPS573739A (en) 1980-06-11 1980-06-11 Bioactive glass and glass ceramic

Country Status (4)

Country Link
US (1) US4437192A (enrdf_load_stackoverflow)
JP (1) JPS573739A (enrdf_load_stackoverflow)
DE (1) DE3123220A1 (enrdf_load_stackoverflow)
GB (1) GB2080281B (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950046A (ja) * 1982-09-13 1984-03-22 コ−ニング・グラス・ワ−クス 歯科用品、歯科治療等に用いられる汚染抵抗の優れたマイカ組成物
US5642996A (en) * 1993-10-20 1997-07-01 Nikon Corporation Endosseous implant
JP2002308646A (ja) * 2001-04-10 2002-10-23 Masatoshi Sato ワラストナイト系低温焼成ガラスセラミックス及びその製造法
JP2005511470A (ja) * 2001-12-12 2005-04-28 カール−ツァイス−シュティフテゥング デンタルケア、即ち、口腔の衛生のための抗菌性ガラスセラミックの使用
JP2005524594A (ja) * 2001-12-12 2005-08-18 カール−ツァイス−シュティフテゥング 抗微生物性アルカリケイ酸塩ガラスセラミックおよびその用法
JP2006334406A (ja) * 2005-05-31 2006-12-14 Axetis Ag 脈管ステント
CN105565669A (zh) * 2015-12-30 2016-05-11 广东美的厨房电器制造有限公司 搪瓷涂料及其制备方法和搪瓷产品
CN110251722A (zh) * 2019-07-31 2019-09-20 华东理工大学 磷酸镁基骨修复材料、原料组合物及其制备方法、应用
US11236012B2 (en) 2018-03-28 2022-02-01 Corning Incorporated Boron phosphate glass-ceramics with low dielectric loss
JP2023138227A (ja) * 2022-03-17 2023-10-02 巨晰光纖股▲ふん▼有限公司 再生医療材料

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241589A1 (de) * 1982-11-10 1984-05-17 Pfaudler-Werke Ag, 6830 Schwetzingen Implantate und verfahren zu deren herstellung
US4576922A (en) * 1983-01-05 1986-03-18 The Regents Of The University Of Michigan High expansion dental crown core ceramic composition
DE3305572A1 (de) * 1983-02-18 1984-08-23 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Bioaktives implantatmaterial
DE3424777C2 (de) * 1983-07-08 1995-08-03 Kyushu Refractories Künstliche Zahnmaterialien
US4612923A (en) * 1983-12-01 1986-09-23 Ethicon, Inc. Glass-filled, absorbable surgical devices
US4560666A (en) * 1983-12-20 1985-12-24 Hoya Corporation High strength glass-ceramic containing apatite and alkaline earth metal silicate crystals and process for producing the same
US5173114A (en) * 1984-02-15 1992-12-22 Suissor, S.A. Basal ceramic layer - reconstruction
JPS60186455A (ja) * 1984-03-06 1985-09-21 株式会社ニコン アパタイトコンポジツトセラミクス
US4676796A (en) * 1985-05-24 1987-06-30 University Of Florida Middle ear prosthesis
DE3525972A1 (de) * 1985-07-20 1987-01-29 Standard Elektrik Lorenz Ag Emaillierungen mit heterogenem gefuege
US4795475A (en) * 1985-08-09 1989-01-03 Walker Michael M Prosthesis utilizing salt-forming oxyacids for bone fixation
DD246028A1 (de) * 1986-02-12 1987-05-27 Karl Marx Stadt Tech Hochschul Keramisiertes metallimplantat
JP2810376B2 (ja) * 1987-08-28 1998-10-15 三菱電機株式会社 溶融炭酸塩形燃料電池発電装置用対電解質保護材料
US5356436A (en) * 1989-06-06 1994-10-18 Tdk Corporation Materials for living hard tissue replacements
DE69022776T2 (de) * 1989-06-06 1996-05-30 Tdk Corp Verwendung von keramischen Materialen als Ersatzmaterialien für lebendes Gewebe.
NZ234718A (en) * 1989-08-11 1992-05-26 Saint Gobain Isover Decomposable glass fibres
US5250488A (en) * 1989-08-11 1993-10-05 Sylvie Thelohan Mineral fibers decomposable in a physiological medium
IT1240938B (it) * 1990-02-08 1993-12-27 S.E.I.P.I. Societa' Esportazione Importazione Prodotti Industriali Composizione vetrosa bioattiva per impianti ossei e prodotti ottenuti con tale composizione o che la comprendono
USRE35557E (en) * 1990-06-01 1997-07-08 Isover-Saint Gobain Mineral fibers decomposable in a physiological medium
US5562733A (en) * 1990-07-24 1996-10-08 Dentsply G.M.B.H. Dental ceramic, coated titanium prosthesis
US5055428A (en) * 1990-09-26 1991-10-08 Owens-Corning Fiberglass Corporation Glass fiber compositions
US5288232A (en) * 1990-12-18 1994-02-22 American Thermocraft Corporation Subsidiary Of Jeneric/Pentron Incorporated Dental porcelain for titanium and titanium alloys
US5198393A (en) * 1991-07-23 1993-03-30 Miles Inc. Rare earth-containing frits having a high glass transition temperature and their use for the production of enamels having improved heat resistance
EP0621858B1 (en) * 1992-01-17 2001-12-19 The Morgan Crucible Company Plc Use of saline soluble inorganic fibres as insulation material
US5994247A (en) 1992-01-17 1999-11-30 The Morgan Crucible Company Plc Saline soluble inorganic fibres
DE4210781C2 (de) * 1992-04-01 1995-04-13 Rauter Vita Zahnfabrik Serienmäßig hergestellte Kunstzahnrohlinge
US5401693A (en) * 1992-09-18 1995-03-28 Schuller International, Inc. Glass fiber composition with improved biosolubility
US5811360A (en) * 1993-01-15 1998-09-22 The Morgan Crucible Company Plc Saline soluble inorganic fibres
DK0710628T3 (da) * 1993-01-15 2003-10-20 Morgan Crucible Co Saltvandsopløselige uorganiske fibre
GB9508683D0 (en) * 1994-08-02 1995-06-14 Morgan Crucible Co Inorganic fibres
US5614330A (en) * 1995-08-18 1997-03-25 American Thermocraft Corporation Porcelain coating compositions for low expansion porcelain cores and the resulting all-ceramic dental restorations
US5928975A (en) * 1995-09-21 1999-07-27 The Morgan Crucible Company,Plc Saline soluble inorganic fibers
EP0895511B1 (en) 1996-04-24 2001-12-05 Owens Corning Glass compositions having high ki values and fibers therefrom
EP0832619B1 (en) * 1996-09-30 2004-12-22 Brainbase Corporation Implant with embedded bioactive particles and method of manufacturing the same
DE69820863T2 (de) * 1997-04-03 2004-12-09 Corning Inc. Durchsichtige apatit glaskeramik
US6034014A (en) 1997-08-04 2000-03-07 Owens Corning Fiberglas Technology, Inc. Glass fiber composition
DE19816865B4 (de) * 1998-04-16 2012-02-23 Merz Dental Gmbh Verwendung einer Silikatglasbeschichtung
GB2341607B (en) 1998-09-15 2000-07-19 Morgan Crucible Co Bonded fibrous materials
US6450813B1 (en) 1998-11-10 2002-09-17 Dentsply Research & Development Corp. Repair porcelain product, composition and method
US6620192B1 (en) * 1999-03-16 2003-09-16 Advanced Cardiovascular Systems, Inc. Multilayer stent
US20040232576A1 (en) * 1999-07-02 2004-11-25 Dmtri Brodkin Method of making dental restorations
CN1373740A (zh) 1999-09-10 2002-10-09 摩根坩埚有限公司 耐高温的可溶于盐水的纤维
US7005135B2 (en) * 2001-01-30 2006-02-28 Ethicon Inc. Glass scaffolds with controlled resorption rates and methods for making same
FR2825999B1 (fr) * 2001-06-15 2004-07-02 Dmc2 France Degussa Metaux Cat Frittes de verre destinees a la decoration de la vaisselle de consommation en verre, vitroceramique et en ceramique
GB2383793B (en) * 2002-01-04 2003-11-19 Morgan Crucible Co Saline soluble inorganic fibres
DE10225366B3 (de) 2002-06-06 2004-03-11 Schott Glas Blei- und arsenfreies Kurzflint-Sonderglas
US7332452B2 (en) 2002-07-15 2008-02-19 Pentax Corporation CaO-SiO2-based bioactive glass and sintered calcium phosphate using same
WO2004026781A1 (en) * 2002-09-20 2004-04-01 Conselho Nacional De Desenvolvimento Científico E Tecnológico - Cnpq Bioactive niobium phosphate glasses for osseointegrated applications
JP3793532B2 (ja) 2003-10-14 2006-07-05 ペンタックス株式会社 ＣａＯ−ＭｇＯ−ＳｉＯ２系生体活性ガラス及びそれを用いたリン酸カルシウム焼結体
ITTO20040692A1 (it) * 2004-10-08 2005-01-08 Torino Politecnico Dispositivi prostetici medicali biocompatibili a base di leghe di cobalto e procedimento per la loro preparazione
US7875566B2 (en) * 2004-11-01 2011-01-25 The Morgan Crucible Company Plc Modification of alkaline earth silicate fibres
EP1728522B1 (de) * 2005-05-31 2013-05-22 Axetis AG Beschichtete Stents
US20080234810A1 (en) * 2006-06-28 2008-09-25 Abbott Cardiovascular Systems Inc. Amorphous Glass-Coated Drug Delivery Medical Device
EP1972320A1 (de) * 2007-03-22 2008-09-24 Vita Zahnfabrik H. Rauter GmbH & Co. KG Niobhaltiges Infiltrationsglas

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2347187A (en) 1942-02-07 1944-04-25 Titanium Alloy Mfg Co Enameling
BE492582A (enrdf_load_stackoverflow) 1948-06-01
US3463646A (en) 1964-11-20 1969-08-26 Sybron Corp Semi-crystalline ground coats having controlled p2o5/b2o3 ratio
CH561670A5 (enrdf_load_stackoverflow) 1972-12-04 1975-05-15 Battelle Memorial Institute
DE2340546A1 (de) 1973-08-10 1975-02-27 Pfaudler Werke Ag Metallisches implantat und verfahren zu seiner herstellung
GB1436859A (en) 1973-12-01 1976-05-26 Tioxide Group Ltd Glazing composition
CH595293A5 (enrdf_load_stackoverflow) 1975-02-20 1978-02-15 Battelle Memorial Institute
DE2546824C2 (de) 1975-10-18 1986-05-07 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Beschichtete Endoprothese und Verfahren zu ihrer Herstellung
US4103002A (en) 1977-02-08 1978-07-25 Board Of Regents, University Of Florida Bioglass coated A1203 ceramics
US4171544A (en) 1978-04-05 1979-10-23 Board Of Regents, For And On Behalf Of The University Of Florida Bonding of bone to materials presenting a high specific area, porous, silica-rich surface
US4234972A (en) 1978-06-21 1980-11-25 Board Of Regents, State Of Florida Bioglass coated metal substrate

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950046A (ja) * 1982-09-13 1984-03-22 コ−ニング・グラス・ワ−クス 歯科用品、歯科治療等に用いられる汚染抵抗の優れたマイカ組成物
US5642996A (en) * 1993-10-20 1997-07-01 Nikon Corporation Endosseous implant
JP2002308646A (ja) * 2001-04-10 2002-10-23 Masatoshi Sato ワラストナイト系低温焼成ガラスセラミックス及びその製造法
JP2005511470A (ja) * 2001-12-12 2005-04-28 カール−ツァイス−シュティフテゥング デンタルケア、即ち、口腔の衛生のための抗菌性ガラスセラミックの使用
JP2005524594A (ja) * 2001-12-12 2005-08-18 カール−ツァイス−シュティフテゥング 抗微生物性アルカリケイ酸塩ガラスセラミックおよびその用法
JP4794128B2 (ja) * 2001-12-12 2011-10-19 ショット アクチエンゲゼルシャフト 抗微生物性アルカリケイ酸塩ガラスセラミック粉末およびその用法
JP2006334406A (ja) * 2005-05-31 2006-12-14 Axetis Ag 脈管ステント
CN105565669A (zh) * 2015-12-30 2016-05-11 广东美的厨房电器制造有限公司 搪瓷涂料及其制备方法和搪瓷产品
CN105565669B (zh) * 2015-12-30 2018-06-05 广东美的厨房电器制造有限公司 搪瓷涂料及其制备方法和搪瓷产品
US11236012B2 (en) 2018-03-28 2022-02-01 Corning Incorporated Boron phosphate glass-ceramics with low dielectric loss
CN110251722A (zh) * 2019-07-31 2019-09-20 华东理工大学 磷酸镁基骨修复材料、原料组合物及其制备方法、应用
JP2023138227A (ja) * 2022-03-17 2023-10-02 巨晰光纖股▲ふん▼有限公司 再生医療材料

Also Published As

Publication number Publication date
DE3123220A1 (de) 1982-03-11
JPS6146418B2 (enrdf_load_stackoverflow) 1986-10-14
US4437192A (en) 1984-03-20
GB2080281A (en) 1982-02-03
GB2080281B (en) 1984-06-06

Similar Documents

Publication Publication Date Title
JPS573739A (en) Bioactive glass and glass ceramic
JPS57198578A (en) Material for magnetic head and slider
JPS5678446A (en) Cesium-containing optical glass
JPS57188431A (en) Optical glass containing thallium
WO1996006810A3 (en) High strength porcelain and method therefor
GB1423256A (en) Fused cast refractory products containing chromic oxide
JPS57129839A (en) Cover glass for watch
GB1496192A (en) Ceramic coating on nickel and chromium substrates
JPS57174440A (en) Member for molten metallic bath
JPS57129838A (en) Cover glass for watch
JPS573736A (en) Glass composition for filament
JPS56129632A (en) Alkali-proof alminosilicate glass
JPS5659640A (en) Glass for spectacle lens
JPS5741862A (en) Mold additive for continuous casting
JPS57129840A (en) Cover glass for watch
JPS569246A (en) Harmful heavy metal-free flux composition for glass coloring
JPS5654251A (en) Optical glass
JPS567708A (en) Artificial tooth
JPS5777045A (en) Glass containing phosphate
JPS55144449A (en) Enamel glaze
JPS6414053A (en) Thermal head
JPS5792544A (en) Glass of low expansion
JPS55140731A (en) Glass for glass-lining metal pipe, container and so on
JPS5684340A (en) High expansion seal bonding material
JPS5626745A (en) Low melting point milk glass composition